<?php
namespace Dwoo\Plugins\Functions;
use Dwoo\Exception\CompilationException;
use Dwoo\Compiler;

/**
 * Loads sub-templates contained in an external file
 * <pre>
 *  * file : the resource name of the file to load
 * </pre>
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from the use of this software.
 *
 * @author     Jordi Boggiano <j.boggiano@seld.be>
 * @copyright  Copyright (c) 2008, Jordi Boggiano
 * @license    http://dwoo.org/LICENSE   Modified BSD License
 * @link       http://dwoo.org/
 * @version    2.0
 * @date       2013-09-06
 * @package    Dwoo
 */
function functionLoadTemplatesCompile(Compiler $compiler, $file) {
	$file = substr($file, 1, -1);

	if ($file === '') {
		return null;
	}

	if (preg_match('#^([a-z]{2,}):(.*)$#i', $file, $m)) {
		// resource:identifier given, extract them
		$resource   = $m[1];
		$identifier = $m[2];
	}
	else {
		// get the current template's resource
		$resource   = $compiler->getDwoo()->getTemplate()->getResourceName();
		$identifier = $file;
	}

	$tpl = $compiler->getDwoo()->templateFactory($resource, $identifier);

	if ($tpl === null) {
		throw new CompilationException($compiler, 'Load Templates : Resource "' . $resource . ':' . $identifier . '" not found.');
	}
	else if ($tpl === false) {
		throw new CompilationException($compiler, 'Load Templates : Resource "' . $resource . '" does not support includes.');
	}

	$cmp = clone $compiler;
	$cmp->compile($compiler->getDwoo(), $tpl);
	foreach ($cmp->getTemplatePlugins() as $template => $args) {
		$compiler->addTemplatePlugin($template, $args['params'], $args['uuid'], $args['body']);
	}
	foreach ($cmp->getUsedPlugins() as $plugin => $type) {
		$compiler->addUsedPlugin($plugin, $type);
	}

	$out = '\'\';// checking for modification in ' . $resource . ':' . $identifier . "\r\n";

	$modCheck = $tpl->getIsModifiedCode();

	if ($modCheck) {
		$out .= 'if (!(' . $modCheck . ')) { ob_end_clean(); return false; }';
	}
	else {
		$out .= 'try {
	$tpl = $this->templateFactory("' . $resource . '", "' . $identifier . '");
} catch (\Dwoo\Exception $e) {
	$this->triggerError(\'Load Templates : Resource <em>' . $resource . '</em> was not added to Dwoo, can not extend <em>' . $identifier . '</em>\', E_USER_WARNING);
}
if ($tpl === null)
	$this->triggerError(\'Load Templates : Resource "' . $resource . ':' . $identifier . '" was not found.\', E_USER_WARNING);
elseif ($tpl === false)
	$this->triggerError(\'Load Templates : Resource "' . $resource . '" does not support extends.\', E_USER_WARNING);
if ($tpl->getUid() != "' . $tpl->getUid() . '") { ob_end_clean(); return false; }';
	}

	return $out;
}